Pipe gauge



FIG. 1 is a front plan view of a pipe gauge according to my invention;

FIG. 2 is a bottom edge view of the pipe gauge shown in FIG. 1;

FIG. 3 is a front edge view of the pipe gauge shown in FIG. 1;

FIG. 4 is a rear plan view of th pipe gauge shown in FIGS. 2 and 3;

FIG. 5 is a front edge view of the pipe gauge shown in FIGS. 2-4; and,

FIG. 6 is a rear edge view of the pipe gauge shown in FIGS. 2-5.

The ornamental design for a pipe gauge, as shown and described.